Friday, July 15, 2016

Update 8: flood warning downgraded

Bureau of Meteorology, Tasmania


Minor Flood Warning for the River Derwent


Issued at 10:05pm on Friday 15 July 2016
Flood Warning Number: 8


Minor flooding has eased about New Norfolk after peaking this evening. The river level will continue to ease slowly overnight, with tides likely to maintain high river levels into Saturday. Minor flooding is expected to continue in the lower reaches of the Derwent catchment below Meadowbank Dam and around Macquarie Plains until Saturday afternoon. Strong flows are also continuing in several tributaries in the Derwent catchment.

In the 24 hours to 9AM Friday rainfall totals of up to 77 mm were recorded in the lower River Derwent catchment and up to 65mm in the upper River Derwent. No significant rainfall has been reported since 9AM Friday.

Strong and dangerous flows may be a hazard throughout the Derwent catchment into the weekend.


River Derwent above River Ouse:

Strong flows are likely to continue throughout the Upper Derwent catchment into Saturday.


River Ouse:

River rises were observed during Friday morning but minor flooding is not expected in the River Ouse.
River levels are expected to remain below the Minor flood level (2.4 metres) at Ashton.
River levels are expected to remain below the Minor flood level at Ouse.


River Clyde:

River rises were observed during Friday morning but minor flooding is not expected in the River Clyde.
River levels are expected to remain below the Minor flood level at Bothwell.
River levels are expected remain below the Minor flood level at Hamilton.


River Derwent above Meadowbank Dam:

Minor flooding will continue in the middle reaches of the River Derwent into Saturday. River levels are now easing.


Tyenna River:

Strong flows are likely to continue in the Tyenna River into Saturday.


Styx River:

Strong flows are expected to continue in the Styx River into Saturday.


River Derwent below Meadowbank Dam:

Minor flooding is occurring along the River Derwent below Meadowbank Dam.
The River Derwent below Meadowbank Dam peaked at 5.90 metres around 11:00 am Friday 15 July and is currently at 5.15 metres and falling. The River Derwent below Meadowbank Dam is likely to fall below the minor flood level (4.10 m) Saturday afternoon.
The River Derwent at Macquarie Plains peaked at 5.20 metres around 01:00 pm Friday 15 July and is currently at 4.62 metres and falling. The River Derwent at Macquarie Plains is likely to fall below the minor flood level (4.00 m) Saturday afternoon.


River Derwent around New Norfolk:

Minor flooding has eased along the River Derwent around New Norfolk.
The River Derwent at New Norfolk peaked at 2.18 metres around 06:00 pm Friday 15 July and is currently at 1.88 metres and falling. The river level will continue to ease slowly overnight, with tides likely to maintain high river levels into Saturday. Renewed minor flooding is not expected.


Flood Safety Advice:

FloodSafe advice is available at www.ses.tas.gov.au
Road closure information is available at www.police.tas.gov.au
For emergency assistance call the SES on telephone number 132 500.
For life threatening situations, call 000 immediately.


Next Issue:

The next warning will be issued by 10am on Saturday 16 July 2016.


Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Ouse at Ashton1.84Steady08:30 PM FRI 15/07/16
River Ouse at 3B Weir2.00Steady09:30 PM FRI 15/07/16
River Clyde at Bothwell1.16Steady08:00 PM FRI 15/07/16
River Derwent below Meadowbank Dam5.08Steady09:30 PM FRI 15/07/16
River Derwent at Macquarie Plains4.60Falling09:46 PM FRI 15/07/16
Tyenna River at Newbury1.55Falling08:00 PM FRI 15/07/16
Styx River at Bruces Bridge1.65Falling08:10 PM FRI 15/07/16
River Derwent at New Norfolk1.83Falling09:51 PM FRI 15/07/16

This advice is also available by dialling 1300 659 216. Warning, rainfall and river information are available at www.bom.gov.au/tas/flood. The latest weather forecast is available at www.bom.gov.au/tas/forecasts.

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